JPS61187491A - Distributing board structure of telephone exchange - Google Patents

Abstract

PURPOSE:To obtain a small-sized titled structure whose line corresponding section is to be easily attached, and capable of testing a channel system including the test of the line corresponding section by making the line corresponding section a pulg-in shape, and a box shape in which a spring-loaded pulg is fitted and inserted outside the corresponding section to the line. CONSTITUTION:A spring-loaded body housing 10 disposed in parallel to a control panel frame is made of a synthetic resin, formed to a thin box shape and an arrester 5 is accommodated in a rear surface side. A spring-loaded plug 18 inserted and fitted into the spring-loaded body housing 10 so as to cover a line corresponding section 13, then a disconnecting piece 19 is inserted between spring-loaded contacts 25, a connection of a terminal 11 of a line side and a connecting line 22 at the line corresponding section side to be broken. The spring-loaded contact of the terminal 11 of the line side is connected and contacts a pulling contact 20A and the spring-loaded contact 25 of the connecting line 22 of the line corresponding section side is connected and contacts a pulling contact 20B, respectively. Accordingly, a channel system device 2 including the line corresponding section 13, and a customer station equipment are electrically separated, and each can be tested respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a distribution board structure of a telephone exchange that connects a subscriber line and a subscriber circuit on the communication path system side.

In recent years, the subscriber line and the subscriber circuit on the communication line equipment side of the telephone exchange are connected, and an arrester, an arrester, etc. are installed on the subscriber circuit side.
Conventionally, a circuit support unit equipped with a ringing function, an analog-to-digital conversion function, etc., mounted on the communication path system device 2 side is installed in the distribution board on which the test ammunition is mounted.

FIG. 3 is a circuit diagram of the above-mentioned distribution board, in which the distribution board 1 is inserted between the communication line equipment 2 and the subscriber line 3. In FIG. The distribution board 1 includes subscriber lines 3 and digital signals v.
Terminal boards 4A and 4B for connecting A8 and the like are mounted.

Further, an arrester 5 and a test munition 6 are mounted on the terminal board 4A on the side of the communication path system device 2, and a line corresponding part 7 is further inserted on the side of the communication path system device 2 of the test ammunition 6.

The line support section 7 and the communication path system device 2 are connected to the digital signal line 8.
And they are connected via the terminal board 4B by control wires and power supply wires (not shown).

A bullet contact on the subscriber line 3 side and a bullet contact on the line corresponding part 7 are mounted on the test bullet 6 so as to face each other and come into elastic contact with each other.

Reference numeral 19 denotes a broken wire piece in which lead-out contacts connected to the lead wires 21A and 21B are attached to both sides of a thin insulator piece.

By inserting the disconnection piece 19 between the elastic contact surfaces of the pair of calculator contacts configured as described above, the subscriber line 3 and the line corresponding section 7 on the communication path system device 2 side can be separated.

Therefore, by inserting the disconnection piece 19 into the test calculator 6, it is possible to separate the subscriber line 3, the in-home equipment, and the telephone exchange, and test each separately.

In addition, for the test calculator, attach an insulating piece (for example, a synthetic resin piece) to the end of the string, insert this insulating piece into all the test calculators installed for each line, and pull this string. As a result, all calculator contacts close at once. Therefore, there are applications such as opening a telephone exchange or switching between an old telephone exchange and a new telephone exchange all at the same time in a short period of time.

The above-mentioned distribution board is required to be small, easy to maintain the line handling section, and easy to switch between the old telephone exchange and the new telephone exchange all at once.

[Conventional technology]

In FIG. 3, the conventional distribution board 1 has a line corresponding part 7 configured as a plug-in type and a test calculator 6 provided on the upper part of the case of this line corresponding part 7, and one in which the test calculator 6 is provided on the upper part of the case of the line corresponding part 7. Distribution board 1
There are two types: one in which a plug-in type test lead-in case of the same shape as the line corresponding part 7 is prepared, and the line corresponding part 7 is removed and the test lead-in case is inserted only when testing.

[Problem that the invention seeks to solve]

However, in the former case where the test calculator is installed on the top of the case of the line support part, the mounting height of the line support part is high;
There is a problem that it is large in size, and the latter method of replacing the line corresponding part with a test lead-in case has the problem that it is not possible to test the line corresponding part and it is difficult to change over the telephone exchanges all at once. The problem is that there is no.

[Means for solving problems]

The above-mentioned problems with the conventional method are as follows: The arrester is housed in the housing, and the calculator contact is provided in the disconnection piece insertion hole cut out on the front side of the housing. The problem is solved by the protruding structure of the line corresponding part housed in the case so as to be pluggable, and the disconnection piece inserted into the calculator contact on the opening side end face.

[Effect]

According to the above means of the present invention, in a state where the line corresponding part is plugged into the calculator main body housing and inserted into the subscriber circuit, the disconnection piece is inserted into the front side of the calculator main body housing outside the line corresponding part. It has holes. Therefore, by inserting the calculator plug so that it is attached to the case of the line support part, a disconnection piece is inserted between the contact points of the calculator, and the subscriber line and the subscriber circuit on the line support part side can be separated. I can do it.

That is, it is possible to separately test the communication path system equipment including the line support section, the subscriber line, and the in-home equipment.

In addition, when the line-compatible part is plugged in, since the calculator contacts are provided on the outside of the line-compatible part in the housing of the calculator, insulating strips are installed between all the calculator contacts for each line. can be inserted into the opening of a telephone exchange,
Alternatively, switching between the old telephone exchange and the new telephone exchange can be carried out simultaneously in a short time.

Further, the arrester is housed in the main body housing of the calculator, and the line corresponding part is formed in a plug-in type in the housing of the main body of the calculator, so that an integrated structure is formed. Therefore,
The distribution board is small.

〔Example〕

The present invention will be specifically explained below with reference to illustrated examples.

FIG. 1 is a perspective view of one embodiment of the present invention, and FIG. 2 is a side sectional view of the main parts.

In FIGS. 1 and 2, the calculator main body housing 10, which is arranged in parallel with the wiring board rack, is made of synthetic resin and formed into a thin box shape, and the arrester 5 is accommodated on the back side.

On the back side of the calculator main body housing 10, there are line side terminals 11 to which the subscriber line A line and BvA are connected, respectively, and a digital signal terminal 11 for connecting the communication line system device 2 and the line corresponding part 7.
! A communication path device side terminal 12 to which the IA 8 and others are connected is provided in a protruding manner.

On the front side of the main body housing 10 of the calculator, there is a line corresponding part 13.
- A square insertion recess 16 is provided into which the housed square case 13A is plugged. On the bottom of the insertion recess 16, one contact of the calculator contact 25 is connected to the line corresponding part side connection wire 2.
A contact 17 connected via 2 is provided in a protruding manner.

Two slit-shaped disconnection piece insertion holes 14 are arranged in parallel near the side edge of the insertion recess 16 on the front side of the housing. A calculator contact 25 connected to the line side terminal 11 and a calculator contact 25 connected to the contact 17 are installed in the inner part of each disconnection piece insertion hole 14 so as to face each other and come into elastic contact with each other.

Also, on the front side of the calculator main body housing 10, there is an insertion recess 16.
A slit-shaped guide hole 15 into which a projecting piece 29 protruding from the opening side end face of the calculator plug 18 is inserted is provided at a position corresponding to the disconnection piece insertion hole 14 across the .

Reference numeral 19 is a thin box-shaped box made of synthetic resin with an opening on one side so that it can be inserted into the outside of the case 13A when the line corresponding part 13 is inserted into the main body housing 10 of the calculator. It is a calculator plug. A disconnection piece 19 that is inserted between the calculator contacts 25 is protruded from the open end face of the calculator plug 18 .

A pull-out contact 20A connected to the pull-out wire 21^ led out to the front side of the calculator plug 18 is attached to one side of the disconnection piece A lead-out contact 20B connected to a lead-out wire 21B led out to the front side of the plug 18 is attached.

When such a calculator plug 18 is inserted into the calculator body housing 10 so as to be attached to the line corresponding part 13, the disconnection piece 19 is inserted into the calculator contact 25, and the line side terminal 11 and the line corresponding part are connected. The connection with the side connection line 22 is separated and disconnected. Moreover, the calculator contact 25 on the line side terminal 11 side is connected to the drawer contact 2OA, and the calculator contact 25 on the line corresponding section side connection line 22 side is connected to the drawer contact 20B.

Therefore, the communication line system equipment 2 including the @gland corresponding part 13, the subscriber line 3 and the in-home equipment connected to the terminal of the subscriber line 3 are electrically separated, and each can be tested separately. can.

Further, with the line corresponding section 13 plugged into the main body housing 10 of the calculator, an insulating piece made of, for example, synthetic resin can be inserted between the contacts 25 of the calculator.

Therefore, by fixing an insulating piece to the end of the string, inserting the insulating piece between the calculator contacts 25 of all the calculator main body housings 10 installed for each line, and pulling this string, all the calculator contacts close all at once. Therefore, establishing a telephone exchange or
Switching between the old telephone exchange and the new telephone exchange can be carried out simultaneously in a short time.

The arrester 5 is housed in the computer main body housing 10, and the line corresponding part 13 is configured to be pluggable into the computer main body housing 10, so that the arrester 5 has an integrated structure. By directly connecting the signal lines 8 and the like to the line side terminals 119 and communication line system device side terminals 12, a terminal board is not required, so the wiring board 1 is small.

Furthermore, since the line support unit 13, which is likely to cause a failure, is of a plug-in type, maintenance work is easy.

In addition, as shown in the illustrated example, this distribution board makes the external shape of the line corresponding part 13 and the external shape of the calculator plug 1B similar, so that
There is an advantage that each of the line corresponding section 13 and the calculator plug 18 can be automatically inserted and removed by a robot or the like.

〔Effect of the invention〕

As explained above, the present invention has a plug-in type line-compatible part and a box-shaped calculator plug that is inserted into the outside of the line-compatible part, making it compact and easy to attach the line-compatible part. This method has excellent practical effects, such as being able to test communication path equipment including testing of line handling units, and facilitating simultaneous switching of telephone exchanges.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of one embodiment of the present invention, FIG. 2 is a side sectional view of the main part, and FIG. 3 is a circuit diagram of the distribution board. In the figure, 1 is a distribution board, 2 is a communication line system device, 3 is a subscriber line, 5 is an arrester, 6 is a test calculator, 7.13 is a line support section, 13A is a case, 10 is a calculator main body housing, 11 is a line side terminal, 12 is a communication line device side terminal, 14 is a disconnection piece insertion hole, 15 is a guide hole, 17 is a contact, 18 is a calculator plug, 19 is a disconnection piece, 20A, 20B are drawer contacts , 21A and 21B are lead wires, 22 is a connection line on the line corresponding section side, and 25 is a calculator contact, respectively.

Claims (1)

[Claims] A bullet main body housing in which an arrester is housed in the housing, a bullet contact is provided in a disconnection piece insertion hole provided on the front side of the housing, and a case is housed in such a manner that it can be plugged into the bullet main body housing. and a bullet plug formed in a box shape that can be inserted into the outside of the case and has a disconnection piece protruding from the opening end surface to be inserted into the bullet contact. A distribution board structure for a telephone exchange featuring: